The cabbage worms
By: by A.B. Black.
Contributors: Oregon Agricultural College. Extension Service.
Series: Cir -- 146.; Circular (Oregon Agricultural College. Extension Service) -- 146.
Publisher: Oregon Agricultural College, Extension Service
Published: 1919
Place of publication: Corvallis, OR
Language: eng
Subjects: Pieridae.; Cole crops -- Diseases and pests.
Notes: Caption title.

"March, 1919."
Table of contents: value: The green cabbage worm; value: The shot hole cabbage worm.